Description of problem:

I have installed SoundConverter (Gnome) from the Fedora repo. Installation went fine. Error message on launch

Version-Release number of selected component (if applicable):

SoundConverter 1.5.3

How reproducible:

Always

Steps to Reproduce:
1. Alt+F2 "Soundconverter"
2.
3.
  
Actual results:

error msg

[user@machine flashgot]$ soundconverter
SoundConverter 1.5.3
ImportError: could not import bonobo.ui
  using Gstreamer version: 0.10.30
  using gio
	'faac' gstreamer element not found, disabling AAC.
  using 1 thread(s)

(soundconverter:5011): libglade-WARNING **: unknown widget class 'GnomeAbout'
/usr/bin/soundconverter:2800: GtkWarning: GtkSpinButton: setting an adjustment with non-zero page size is deprecated
  glade = gtk.glade.XML(GLADE)
Traceback (most recent call last):
  File "/usr/bin/soundconverter", line 2906, in <module>
    main(args)
  File "/usr/bin/soundconverter", line 2898, in main
    gui_main(args)
  File "/usr/bin/soundconverter", line 2801, in gui_main
    win = SoundConverterWindow(glade)
  File "/usr/bin/soundconverter", line 2528, in __init__
    self.about.set_property('version', VERSION)
TypeError: object of type `GtkLabel' does not have property `version'
[user@machine flashgot]$